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TexturePlacement Class Reference

This corresponds to a particular assignment of a TextureImage with a PaletteGroup, and specifically describes which PaletteImage (if any), and where on the PaletteImage, the TextureImage has been assigned to. More...

#include "texturePlacement.h"

Inheritance diagram for TexturePlacement:
TypedWritable TypedObject MemoryBase

Public Types

typedef pvector< TextureImage * > TextureSwaps
 

Public Member Functions

 TexturePlacement (TextureImage *texture, PaletteGroup *group)
 
void add_egg (TextureReference *reference)
 Records the fact that a particular egg file is using this particular TexturePlacement. More...
 
virtual int complete_pointers (TypedWritable **p_list, BamReader *manager)
 Called after the object is otherwise completely read from a Bam file, this function's job is to store the pointers that were retrieved from the Bam file for each pointer object written. More...
 
void compute_tex_matrix (LMatrix3d &transform)
 Stores in the indicated matrix the appropriate texture matrix transform for the new placement of the texture. More...
 
bool determine_size ()
 Attempts to determine the appropriate size of the texture for the given placement. More...
 
void fill_image (PNMImage &image)
 Fills in the rectangle of the palette image represented by the texture placement with the image pixels. More...
 
void fill_swapped_image (PNMImage &image, int index)
 Fills in the rectangle of the swapped palette image represented by the texture placement with the image pixels. More...
 
void flag_error_image (PNMImage &image)
 Sets the rectangle of the palette image represented by the texture placement to red, to represent a missing texture. More...
 
void force_replace ()
 Removes the texture from its particular PaletteImage, but does not remove it from the PaletteGroup. More...
 
DestTextureImageget_dest () const
 Returns the DestTextureImage that corresponds to this texture as it was copied to the install directory. More...
 
PaletteGroupget_group () const
 Returns the group that this placement represents. More...
 
PaletteImageget_image () const
 Returns the particular PaletteImage on which the texture has been placed. More...
 
const std::string & get_name () const
 Returns the name of the texture that this placement represents. More...
 
OmitReason get_omit_reason () const
 Returns the reason the texture has been omitted from a palette image, or OR_none if it has not. More...
 
PalettePageget_page () const
 Returns the particular PalettePage on which the texture has been placed. More...
 
double get_placed_uv_area () const
 Returns the total area of the rectangle occupied by the UV minmax box, as it has been placed. More...
 
int get_placed_x () const
 Returns the X pixel at which the texture has been placed within its PaletteImage. More...
 
int get_placed_x_size () const
 Returns the size in the X dimension, in pixels, of the texture image as it has been placed within the palette. More...
 
int get_placed_y () const
 Returns the Y pixel at which the texture has been placed within its PaletteImage. More...
 
int get_placed_y_size () const
 Returns the size in the Y dimension, in pixels, of the texture image as it has been placed within the palette. More...
 
const TexturePropertiesget_properties () const
 Returns the grouping properties of the image. More...
 
TextureImageget_texture () const
 Returns the texture that this placement represents. More...
 
virtual TypeHandle get_type () const
 
double get_uv_area () const
 Returns the total area of the rectangle occupied by the UV minmax box, in UV coordinates. More...
 
int get_x_size () const
 Returns the size in the X dimension, in pixels, of the texture image as it must appear in the palette. More...
 
int get_y_size () const
 Returns the size in the Y dimension, in pixels, of the texture image as it must appear in the palette. More...
 
bool intersects (int x, int y, int x_size, int y_size)
 Returns true if the particular position this texture has been assigned to overlaps the rectangle whose top left corner is at x, y and whose size is given by x_size, y_size, or false otherwise. More...
 
bool is_filled () const
 Returns true if the texture has been filled (i.e. More...
 
bool is_placed () const
 Returns true if the texture has been placed on a palette image, false otherwise. More...
 
bool is_size_known () const
 Returns true if the texture's size is known, false otherwise. More...
 
void mark_eggs_stale ()
 Marks all the egg files that reference this placement stale. More...
 
void mark_unfilled ()
 Marks the texture as unfilled, so that it will need to be copied into the palette image again. More...
 
void not_solitary ()
 Indicates that the texture, formerly indicated as solitary, is now no longer. More...
 
void omit_solitary ()
 Sets the omit reason (returned by get_omit()) to OR_solitary, indicating that the palettized version of the texture should not be used because it is the only texture on a PaletteImage. More...
 
void place_at (PaletteImage *image, int x, int y)
 Assigns the texture to a particular position within the indicated PaletteImage. More...
 
void remove_egg (TextureReference *reference)
 Notes that a particular egg file is no longer using this particular TexturePlacement. More...
 
void set_dest (DestTextureImage *dest)
 Sets the DestTextureImage that corresponds to this texture as it was copied to the install directory. More...
 
virtual void write_datagram (BamWriter *writer, Datagram &datagram)
 Fills the indicated datagram up with a binary representation of the current object, in preparation for writing to a Bam file. More...
 
void write_placed (std::ostream &out, int indent_level=0)
 Writes the placement position information on a line by itself. More...
 
- Public Member Functions inherited from TypedWritable
 TypedWritable (const TypedWritable &copy)
 
virtual ReferenceCountas_reference_count ()
 Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type. More...
 
vector_uchar encode_to_bam_stream () const
 Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a bytes object. More...
 
bool encode_to_bam_stream (vector_uchar &data, BamWriter *writer=nullptr) const
 Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. More...
 
virtual void finalize (BamReader *manager)
 Called by the BamReader to perform any final actions needed for setting up the object after all objects have been read and all pointers have been completed. More...
 
virtual TypeHandle force_init_type ()
 
UpdateSeq get_bam_modified () const
 Returns the current bam_modified counter. More...
 
void mark_bam_modified ()
 Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. More...
 
void operator= (const TypedWritable &copy)
 
virtual bool require_fully_complete () const
 Some objects require all of their nested pointers to have been completed before the objects themselves can be completed. More...
 
virtual void update_bam_nested (BamWriter *manager)
 Called by the BamWriter when this object has not itself been modified recently, but it should check its nested objects for updates. More...
 
- Public Member Functions inherited from TypedObject
 TypedObject (const TypedObject &copy)=default
 
TypedObjectas_typed_object ()
 Returns the object, upcast (if necessary) to a TypedObject pointer. More...
 
const TypedObjectas_typed_object () const
 Returns the object, upcast (if necessary) to a TypedObject pointer. More...
 
int get_best_parent_from_Set (const std::set< int > &) const
 
int get_type_index () const
 Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More...
 
bool is_exact_type (TypeHandle handle) const
 Returns true if the current object is the indicated type exactly. More...
 
bool is_of_type (TypeHandle handle) const
 Returns true if the current object is or derives from the indicated type. More...
 
TypedObjectoperator= (const TypedObject &copy)=default
 

Static Public Member Functions

static TypeHandle get_class_type ()
 
static void init_type ()
 
static void register_with_read_factory ()
 Registers the current object as something that can be read from a Bam file. More...
 
- Static Public Member Functions inherited from TypedWritable
static bool decode_raw_from_bam_stream (TypedWritable *&ptr, ReferenceCount *&ref_ptr, vector_uchar data, BamReader *reader=nullptr)
 Reads the bytes created by a previous call to encode_to_bam_stream(), and extracts the single object on those bytes. More...
 
static TypeHandle get_class_type ()
 
static void init_type ()
 
- Static Public Member Functions inherited from TypedObject
static TypeHandle get_class_type ()
 
static void init_type ()
 This function is declared non-inline to work around a compiler bug in g++ 2.96. More...
 

Public Attributes

TextureSwaps _textureSwaps
 
- Public Attributes inherited from TypedObject
 get_type
 

Additional Inherited Members

- Static Public Attributes inherited from TypedWritable
static TypedWritable *const Null = nullptr
 

Detailed Description

This corresponds to a particular assignment of a TextureImage with a PaletteGroup, and specifically describes which PaletteImage (if any), and where on the PaletteImage, the TextureImage has been assigned to.

Definition at line 41 of file texturePlacement.h.

Member Function Documentation

◆ add_egg()

void TexturePlacement::add_egg ( TextureReference reference)

Records the fact that a particular egg file is using this particular TexturePlacement.

Definition at line 128 of file texturePlacement.cxx.

References TextureReference::mark_egg_stale().

Referenced by TextureReference::set_placement().

◆ complete_pointers()

int TexturePlacement::complete_pointers ( TypedWritable **  p_list,
BamReader manager 
)
virtual

Called after the object is otherwise completely read from a Bam file, this function's job is to store the pointers that were retrieved from the Bam file for each pointer object written.

The return value is the number of pointers processed from the list.

Reimplemented from TypedWritable.

Definition at line 1034 of file texturePlacement.cxx.

References TypedWritable::complete_pointers().

◆ compute_tex_matrix()

void TexturePlacement::compute_tex_matrix ( LMatrix3d &  transform)

Stores in the indicated matrix the appropriate texture matrix transform for the new placement of the texture.

Definition at line 608 of file texturePlacement.cxx.

◆ determine_size()

bool TexturePlacement::determine_size ( )

Attempts to determine the appropriate size of the texture for the given placement.

This is based on the UV range of the egg files that reference the texture. Returns true on success, or false if the texture size cannot be determined (e.g. the texture file is unknown).

After this returns true, get_x_size() and get_y_size() may safely be called.

Definition at line 196 of file texturePlacement.cxx.

References force_replace(), and ImageFile::is_size_known().

Referenced by PaletteGroup::update_unknown_textures().

◆ fill_image()

void TexturePlacement::fill_image ( PNMImage image)

Fills in the rectangle of the palette image represented by the texture placement with the image pixels.

Definition at line 694 of file texturePlacement.cxx.

◆ fill_swapped_image()

void TexturePlacement::fill_swapped_image ( PNMImage image,
int  index 
)

Fills in the rectangle of the swapped palette image represented by the texture placement with the image pixels.

Definition at line 823 of file texturePlacement.cxx.

◆ flag_error_image()

void TexturePlacement::flag_error_image ( PNMImage image)

Sets the rectangle of the palette image represented by the texture placement to red, to represent a missing texture.

Definition at line 918 of file texturePlacement.cxx.

◆ force_replace()

void TexturePlacement::force_replace ( )

Removes the texture from its particular PaletteImage, but does not remove it from the PaletteGroup.

It will be re-placed when the PaletteGroup::place_all() is called.

Definition at line 545 of file texturePlacement.cxx.

References PaletteImage::unplace().

Referenced by determine_size().

◆ get_dest()

DestTextureImage * TexturePlacement::get_dest ( ) const

Returns the DestTextureImage that corresponds to this texture as it was copied to the install directory.

Definition at line 182 of file texturePlacement.cxx.

◆ get_group()

PaletteGroup * TexturePlacement::get_group ( ) const

Returns the group that this placement represents.

Definition at line 119 of file texturePlacement.cxx.

Referenced by EggFile::choose_placements().

◆ get_image()

PaletteImage * TexturePlacement::get_image ( ) const

Returns the particular PaletteImage on which the texture has been placed.

Definition at line 456 of file texturePlacement.cxx.

◆ get_name()

const std::string & TexturePlacement::get_name ( ) const

Returns the name of the texture that this placement represents.

Definition at line 95 of file texturePlacement.cxx.

Referenced by SortPlacementBySize::operator()().

◆ get_omit_reason()

OmitReason TexturePlacement::get_omit_reason ( ) const

Returns the reason the texture has been omitted from a palette image, or OR_none if it has not.

Definition at line 401 of file texturePlacement.cxx.

Referenced by PaletteGroup::place_all(), TextureReference::update_egg(), and PaletteGroup::write_image_info().

◆ get_page()

PalettePage * TexturePlacement::get_page ( ) const

Returns the particular PalettePage on which the texture has been placed.

Definition at line 465 of file texturePlacement.cxx.

◆ get_placed_uv_area()

double TexturePlacement::get_placed_uv_area ( ) const

Returns the total area of the rectangle occupied by the UV minmax box, as it has been placed.

See also get_uv_area().

Definition at line 515 of file texturePlacement.cxx.

Referenced by write_placed().

◆ get_placed_x()

int TexturePlacement::get_placed_x ( ) const

Returns the X pixel at which the texture has been placed within its PaletteImage.

It is an error to call this unless is_placed() returns true.

Definition at line 475 of file texturePlacement.cxx.

Referenced by write_placed().

◆ get_placed_x_size()

int TexturePlacement::get_placed_x_size ( ) const

Returns the size in the X dimension, in pixels, of the texture image as it has been placed within the palette.

Definition at line 495 of file texturePlacement.cxx.

Referenced by write_placed().

◆ get_placed_y()

int TexturePlacement::get_placed_y ( ) const

Returns the Y pixel at which the texture has been placed within its PaletteImage.

It is an error to call this unless is_placed() returns true.

Definition at line 485 of file texturePlacement.cxx.

Referenced by write_placed().

◆ get_placed_y_size()

int TexturePlacement::get_placed_y_size ( ) const

Returns the size in the Y dimension, in pixels, of the texture image as it has been placed within the palette.

Definition at line 505 of file texturePlacement.cxx.

Referenced by write_placed().

◆ get_properties()

const TextureProperties & TexturePlacement::get_properties ( ) const

Returns the grouping properties of the image.

Definition at line 111 of file texturePlacement.cxx.

References ImageFile::get_properties().

◆ get_texture()

TextureImage * TexturePlacement::get_texture ( ) const

Returns the texture that this placement represents.

Definition at line 103 of file texturePlacement.cxx.

Referenced by TextureMemoryCounter::add_placement(), PaletteGroup::update_unknown_textures(), and write_placed().

◆ get_uv_area()

double TexturePlacement::get_uv_area ( ) const

Returns the total area of the rectangle occupied by the UV minmax box, in UV coordinates.

1.0 is the entire texture; values greater than 1 imply the texture repeats.

Definition at line 433 of file texturePlacement.cxx.

◆ get_x_size()

int TexturePlacement::get_x_size ( ) const

Returns the size in the X dimension, in pixels, of the texture image as it must appear in the palette.

This accounts for any growing or shrinking of the texture due to the UV coordinate range.

Definition at line 411 of file texturePlacement.cxx.

Referenced by SortPlacementBySize::operator()().

◆ get_y_size()

int TexturePlacement::get_y_size ( ) const

Returns the size in the Y dimension, in pixels, of the texture image as it must appear in the palette.

This accounts for any growing or shrinking of the texture due to the UV coordinate range.

Definition at line 422 of file texturePlacement.cxx.

Referenced by SortPlacementBySize::operator()().

◆ intersects()

bool TexturePlacement::intersects ( int  x,
int  y,
int  x_size,
int  y_size 
)

Returns true if the particular position this texture has been assigned to overlaps the rectangle whose top left corner is at x, y and whose size is given by x_size, y_size, or false otherwise.

Definition at line 590 of file texturePlacement.cxx.

◆ is_filled()

bool TexturePlacement::is_filled ( ) const

Returns true if the texture has been filled (i.e.

fill_image() has been called) since it was placed.

Definition at line 676 of file texturePlacement.cxx.

◆ is_placed()

bool TexturePlacement::is_placed ( ) const

Returns true if the texture has been placed on a palette image, false otherwise.

This will generally be true if get_omit_reason() returns OR_none or OR_solitary and false otherwise.

Definition at line 448 of file texturePlacement.cxx.

Referenced by write_placed().

◆ is_size_known()

bool TexturePlacement::is_size_known ( ) const

Returns true if the texture's size is known, false otherwise.

Usually this can only be false after determine_size() has been called there is something wrong with the texture (in which case the placement will automatically omit itself from the palette anyway).

Definition at line 392 of file texturePlacement.cxx.

Referenced by PaletteGroup::update_unknown_textures().

◆ mark_eggs_stale()

void TexturePlacement::mark_eggs_stale ( )

Marks all the egg files that reference this placement stale.

Presumably this is called after moving the texture around in the palette or something.

Definition at line 159 of file texturePlacement.cxx.

References TextureReference::mark_egg_stale().

◆ mark_unfilled()

void TexturePlacement::mark_unfilled ( )

Marks the texture as unfilled, so that it will need to be copied into the palette image again.

Definition at line 685 of file texturePlacement.cxx.

◆ not_solitary()

void TexturePlacement::not_solitary ( )

Indicates that the texture, formerly indicated as solitary, is now no longer.

Definition at line 576 of file texturePlacement.cxx.

◆ omit_solitary()

void TexturePlacement::omit_solitary ( )

Sets the omit reason (returned by get_omit()) to OR_solitary, indicating that the palettized version of the texture should not be used because it is the only texture on a PaletteImage.

However, the texture is still considered placed, and is_placed() will return true.

Definition at line 563 of file texturePlacement.cxx.

◆ place_at()

void TexturePlacement::place_at ( PaletteImage image,
int  x,
int  y 
)

Assigns the texture to a particular position within the indicated PaletteImage.

It is an error to call this if the texture has already been placed elsewhere.

Definition at line 527 of file texturePlacement.cxx.

◆ register_with_read_factory()

void TexturePlacement::register_with_read_factory ( )
static

Registers the current object as something that can be read from a Bam file.

Definition at line 988 of file texturePlacement.cxx.

References BamReader::get_factory().

Referenced by init_palettizer().

◆ remove_egg()

void TexturePlacement::remove_egg ( TextureReference reference)

Notes that a particular egg file is no longer using this particular TexturePlacement.

Definition at line 145 of file texturePlacement.cxx.

References TextureReference::mark_egg_stale().

Referenced by EggFile::remove_egg(), and TextureReference::set_placement().

◆ set_dest()

void TexturePlacement::set_dest ( DestTextureImage dest)

Sets the DestTextureImage that corresponds to this texture as it was copied to the install directory.

Definition at line 173 of file texturePlacement.cxx.

◆ write_datagram()

void TexturePlacement::write_datagram ( BamWriter writer,
Datagram datagram 
)
virtual

Fills the indicated datagram up with a binary representation of the current object, in preparation for writing to a Bam file.

Reimplemented from TypedWritable.

Definition at line 998 of file texturePlacement.cxx.

References Datagram::add_bool(), Datagram::add_int32(), TypedWritable::write_datagram(), TexturePosition::write_datagram(), and BamWriter::write_pointer().

◆ write_placed()

void TexturePlacement::write_placed ( std::ostream &  out,
int  indent_level = 0 
)

Writes the placement position information on a line by itself.

Definition at line 646 of file texturePlacement.cxx.

References get_placed_uv_area(), get_placed_x(), get_placed_x_size(), get_placed_y(), get_placed_y_size(), get_texture(), indent(), and is_placed().


The documentation for this class was generated from the following files: